MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b337f30743e45d0260647b5a8236977d648263ee4767cf87a68482b5652e6b5d. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
XWorm
Vendor detections: 13
| SHA256 hash: | b337f30743e45d0260647b5a8236977d648263ee4767cf87a68482b5652e6b5d |
|---|---|
| SHA3-384 hash: | 78d4480c23460ad05eec57cf85a92295f66c7f6ac6b2042c2962aeb05e6b54d919ac5b31ae27389e9077bb8b1fc5583a |
| SHA1 hash: | e3a7625a0c0e71996dafb02c2bd575efa70c5095 |
| MD5 hash: | ade308c6763d69b135be0dea8928ce02 |
| humanhash: | mexico-lithium-alaska-item |
| File name: | Orden de Compra [PONGH0387364895].vbs |
| Download: | download sample |
| Signature | XWorm |
| File size: | 1'105'453 bytes |
| First seen: | 2026-07-09 08:26:43 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/csv |
| ssdeep | 384:r+CoA2gPqSRvqrPRKRw0fGRMiFF6RGw0fqRsqPAP9GRM7oA2gPqSRQ0R5q9PiFFg:z |
| TLSH | T1A0354468C605FF5E6A3572898448DE0252D812E34238F4FBEB8A7EE7806DDFB5D70641 |
| Magika | txt |
| Reporter |  abuse_ch |
| Tags: | ESP geo vbs xworm |
Intelligence
File Origin
# of uploads :
1
# of downloads :
84
Origin country :
SEVendor Threat Intelligence
No detections
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
99.9%
Tags:
ransomware autorun shell sage
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated
Verdict:
Malicious
Labled as:
Formbook
Verdict:
Malicious
File Type:
vbs
First seen:
2026-07-09T03:38:00Z UTC
Last seen:
2026-07-10T20:09:00Z UTC
Hits:
~100
Detections:
Trojan.VBS.SAgent.sb Trojan.Multi.Agent.gen Trojan.JS.SAgent.sb Trojan-Dropper.PowerShell.Agent.aft HEUR:Trojan.Script.Generic HEUR:Trojan-Downloader.Script.Generic PDM:Trojan.Win32.Generic Backdoor.Agent.TCP.C&C
Result
Threat name:
XWorm
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Drops VBS files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Copy file to startup via Powershell
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected XWorm
Behaviour
Behavior Graph:
Verdict:
Malware
YARA:
2 match(es)
Tags:
Base64 Block Batch Command Contains Base64 Block DeObfuscated Obfuscated PowerShell PowerShell Call Powershell: Hidden Execution Scripting.FileSystemObject T1059.005 VBScript WScript.Shell Wscript.Shell
Verdict:
Malicious
Threat:
Family.XWORM
Threat name:
Script-WScript.Backdoor.FormBook
Status:
Malicious
First seen:
2026-07-09 08:32:23 UTC
File Type:
Text (VBS)
AV detection:
10 of 24 (41.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm discovery execution rat trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Family: Xworm
Process spawned unexpected child process
Malware Config
C2 Extraction:
45.141.148.126:1122
Malware family:
XWorm
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | detect_tiny_vbs |
|---|---|
| Author: | daniyyell |
| Description: | Detects tiny VBS delivery technique |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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